Novel mechanical slide ejector pin ejection and reset combined mechanism

By designing a new mechanical thimble ejection reset combination mechanism, the combination of multiple components is used to solve the problem that the traditional thimble plate return mechanism is prone to spring fatigue, and the reliable reset of the thimble is achieved, reducing the The risk of mold clamping and molding is improved by improving product quality.

CN222431462UActive Publication Date: 2025-02-07HONGRITA DIE SHENZHEN
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Patent Information

Application Number
CN202420749131.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2025-02-07
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

In injection molding production, the traditional thimble plate return mechanism of the row positioning thimble plate easily leads to spring fatigue, resulting in no return to position after ejection, which increases the risk of mold closing and mold molding, and increases the cost of mold repair.

Method used

Design a new mechanical thimble ejection and reset combination mechanism, through the thimble insert, the thimble, the return spring, the thimble plate body, the thimble seat, the thimble middle support edge, the mold opening delay block, the thimble, the slant, the slant, the slant The combination of side nails, upper thimble plate reset block and lower thimble plate reset block realizes the reset of the line position thimble.

Benefits of technology

Effectively prevent unstable return of the thimble plate or failure of spring, avoid the risk and cost of mold clamping and mold repair, improve the sustainable and safe quality of the product, and realize innovation in mold technology.

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Abstract

The utility model discloses a novel mechanical slide ejector pin ejection and reset combined mechanism, which particularly relates to the field of injection molds and comprises a slide insert, the slide insert is arranged at the top end of a slide seat, an ejector pin plate body is arranged on the surface of the slide insert, and a plurality of groups of slide ejector pins are movably arranged on the surface of the ejector pin plate body. The slide insert is arranged at the top end of the slide seat, a plurality of groups of return springs are arranged on the surface of the ejector plate body, an upper ejector plate return stop block is arranged above the slide insert, and a lower ejector plate return stop block is arranged below the slide insert. When a product is in a sticking slide, the slide ejector pin is used for ejection to prevent the product from sticking to the slide, and when the ejector plate resets, the upper ejector plate reset baffle and the lower ejector plate reset baffle are used for resetting the slide ejector pin to prevent unstable return or failure of the spring due to the fact that the elastic force of the spring arranged on the ejector plate body is weakened due to long-time use.
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Description

Technical Field

[0001] The utility model relates to the field of injection molds, and more specifically, to a novel mechanical sliding ejector pin ejection and resetting combined mechanism. Background Art

[0002] In injection molding production, the traditional method for products sticking to the slide is to add an ejector plate ejector mechanism to the slide, delay the mold opening, open the slide first and then eject the slide ejector at the same time. The traditional design method is to add a spring return to the slide ejector plate. In continuous production, the spring is prone to elastic fatigue, causing the ejector to not return to the position after ejection, resulting in mold collision, which is not suitable for actual production. Obviously, in this case, the slide ejector plate spring return mechanism increases the risk of mold collision in mechanized production and increases the risk cost of mold repair. This new slide mold closing reset combination mechanism realizes mechanized slide ejector plate reset by flexibly using the slide ejector plate reset combination, improves the quality of sustainable and safe products, and realizes the innovation of mold technology.

[0003] Therefore, in order to solve the above problems, a new mechanical sliding ejector pin ejection and reset combination mechanism is proposed. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a novel mechanical sliding ejector pin ejection and reset combination mechanism to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel mechanical sliding pin ejection and reset combination mechanism, comprising a sliding pin insert, a sliding pin, a reset spring, a pin plate body, a sliding seat, a middle support edge of the pin, a mold opening delay block, a shovel, a bevel nail, an upper pin plate reset block, and a lower pin plate reset block, characterized in that the sliding pin insert is arranged at the top of the sliding seat, the pin plate body is arranged on the surface of the sliding pin insert, a plurality of groups of sliding pins are movably arranged on the surface of the pin plate body, a plurality of groups of reset springs are arranged on the surface of the pin plate body, an upper pin plate reset block is arranged above the sliding pin insert, and a lower pin plate reset block is arranged below the sliding pin insert.

[0006] Preferably, a spade is provided on the back of the slide insert, a mold opening delay block and a middle support edge of an ejector pin are provided on the surface of the spade, and a bevel nail is provided on the top of the slide insert.

[0007] Preferably, the middle support edge of the ejector pin is connected to a through hole formed in the ejector plate body, and the middle support edge of the ejector pin can push the sliding ejector pin to move.

[0008] Preferably, slide grooves are provided on both sides of the shovel, and the interior of the slide groove is movably connected to one end of the mold opening delay block.

[0009] Preferably, a through hole is formed at the top of the sliding seat, and a beveled nail is arranged inside the through hole.

[0010] Technical effects and advantages of the utility model:

[0011] Compared with the prior art, the utility model arranges the slide insert at the top of the slide seat to play the role of positioning the product and prevents the product from moving with the slide, and when the product is in the sticking position, the slide ejector is used to eject it to prevent the product from sticking to the slide, and when the ejector plate returns, the slide ejector is reset by the upper ejector plate reset baffle and the lower ejector plate reset baffle to prevent the spring force set on the ejector plate body from weakening due to long-term use, resulting in unstable return or spring failure, and also avoids the state of not returning to the position after ejection, the slide produces the risk cost of mold collision and mold repair, and at the same time solves the problem of mechanical safety production of product slide ejector plate reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 for Figure 1 A schematic diagram of the structure from a side view perspective is shown.

[0014] The accompanying drawings are marked as follows: 1. slide insert; 2. slide ejector; 3. reset spring; 4. ejector plate body; 5. slide seat; 6. ejector middle support edge; 7. mold opening delay block; 8. shovel chicken; 9. bevel nail; 10. upper ejector plate reset block; 11. lower ejector plate reset block. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Embodiment 1

[0017] As attached Figure 1 and Figure 2A novel mechanical sliding pin ejection and reset combination mechanism is shown, comprising a sliding insert 1, a sliding pin 2, a reset spring 3, an ejector plate body 4, a sliding seat 5, an ejector middle support edge 6, a mold opening delay block 7, a shovel chicken 8, a bevel nail 9, an upper ejector plate reset block, and a lower ejector plate reset block, characterized in that the sliding insert 1 is arranged at the top of the sliding seat 5, the ejector plate body 4 is arranged on the surface of the sliding insert 1, a plurality of groups of sliding pins 2 are movably arranged on the surface of the ejector plate body 4, a plurality of groups of reset springs 3 are arranged on the surface of the ejector plate body 4, an upper ejector plate reset block 10 is arranged above the sliding insert 1, and a lower ejector plate reset block 11 is arranged below the sliding insert 1.

[0018] Among them: when the slider insert 1 is in mold closing, the ejector plate body 4 is reset through the upper ejector plate reset block 10 and the lower ejector plate reset block 11, which can effectively control the reset of the ejector plate body 4 when the reset spring 3 is not needed; the upper ejector plate reset block and the lower ejector plate reset block 11 set at the top of the slider seat 5 need to be avoided on the slider seat 5; the ejector plate body 4 needs to hold the ejector plate body 4 reset block together with the upper ejector plate reset block and the lower ejector plate reset block 11; and then the mold opening delay block 7 is used to eject the slider ejector 2 and demold the slider insert 1.

[0019] Embodiment 2

[0020] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working method, as described below:

[0021] like Figure 1 As shown, as a preferred embodiment; a spatula 8 is provided on the back of the slider insert 1, and a mold delay block 7 and an ejector middle support edge 6 are provided on the surface of the spatula 8, and a bevel nail 9 is provided on the top of the slider insert 1. Furthermore, the spatula 8, the mold delay block 7 and the ejector middle support edge 6 can cooperate with the back of the slider insert 1.

[0022] like Figure 1 As shown, as a preferred embodiment; the support edge 6 in the ejector pin is connected to the through hole opened in the ejector plate body 4, and the support edge 6 in the ejector pin can push the sliding ejector pin 2 to move. Further, the support edge 6 in the ejector pin can push the sliding ejector pin 2 to move, thereby completing the daily work of the device.

[0023] like Figure 1 As shown, as a preferred embodiment; sliding grooves are provided on both sides of the shovel chicken 8, and the interior of the sliding groove is movably connected to one end of the mold opening delay block 7. Furthermore, since the sliding grooves provided by the shovel chicken 8 are connected to the mold opening delay block 7, when the shovel chicken 8 moves, it can drive the mold opening delay block 7 to move horizontally.

[0024] like Figure 1As shown, as a preferred embodiment; a through hole is opened at the top of the slider seat 5, and a bevel nail 9 is arranged inside the through hole.

[0025] The working process of the utility model is as follows:

[0026] When the utility model is used, the slide insert 1 is arranged on the top of the slide seat 5 to play the role of positioning the product and prevent the product from moving with the slide. When the product is in the sticking position, the slide ejector 2 is used to eject it to prevent the product from sticking to the slide. When the ejector plate returns, the upper ejector plate reset baffle and the lower ejector plate reset baffle are used to reset the slide ejector 2 to prevent the spring elastic force set on the ejector plate body 4 from weakening due to long-term use, resulting in unstable return or spring failure, and also avoids the state of not returning to the position after ejection, the slide produces the risk cost of mold collision and mold repair, and at the same time solves the problem of mechanical safety production of product ejector plate body 4 reset.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A novel mechanical sliding ejector pin (2) ejection and reset assembly mechanism, comprising a sliding insert (1), a sliding ejector pin (2), a reset spring (3), an ejector plate body (4), a sliding seat (5), an ejector middle support edge (6), a mold opening delay block (7), a scraper (8), a bevel nail (9), an upper ejector plate reset block, and a lower ejector plate reset block, characterized in that: The slide insert (1) is arranged at the top of the slide seat (5), a pin plate body (4) is arranged on the surface of the slide insert (1), a plurality of slide pins (2) are movably arranged on the surface of the pin plate body (4), a plurality of reset springs (3) are arranged on the surface of the pin plate body (4), an upper pin plate reset stopper (10) is arranged above the slide insert (1), and a lower pin plate reset stopper (11) is arranged below the slide insert (1).

2. A novel mechanical sliding ejector pin (2) ejection and reset combination mechanism according to claim 1, characterized in that: The back of the slider insert (1) is provided with a spatula (8), the surface of the spatula (8) is provided with a mold delay block (7) and a middle support edge (6) of an ejector pin, and the top of the slider insert (1) is provided with a bevel nail (9).

3. A novel mechanical sliding ejector pin (2) ejection and reset combination mechanism according to claim 2, characterized in that: The middle support edge (6) of the ejector pin is connected to a through hole provided in the ejector pin plate body (4), and the middle support edge (6) of the ejector pin can push the sliding ejector pin (2) to move.

4. A novel mechanical sliding ejector pin (2) ejection and reset combination mechanism according to claim 2, characterized in that: Both sides of the shovel chicken (8) are provided with slide grooves, and the interior of the slide groove is movably connected to one end of the mold opening delay block (7).

5. A novel mechanical sliding ejector pin (2) ejection and reset combination mechanism according to claim 1, characterized in that: A through hole is provided at the top of the sliding seat (5), and a bevel nail (9) is arranged inside the through hole.